US Patent No. 10,512,038


Patent No. 10,512,038
Issue Date December 17, 2019
Title Voice And Data Continuity Between Wireless Devices
Inventorship Li Su, San Jose, CA (US)
Tahir Shamim, San Jose, CA (US)
Jianxiong Shi, Pleasanton, CA (US)
Wanping Zhang, San Jose, CA (US)
Assignee Apple Inc., Cupertino, CA (US)

Claim of US Patent No. 10,512,038

1. A method to maintain continuity of a data session between a first wireless device and a remote device by relaying data to the first wireless device from a second wireless device, the method comprising:at the second wireless device:
receiving a signaling message from the first wireless device over a local connection, wherein the signaling message comprises:
a request to receive data for the data session via the local connection, and
a base station identifier identifying a base station of a wireless wide area network (WWAN) via which the first wireless device established the data session with the remote device;
receiving a first key from the first wireless device;
establishing, using the first key, a radio resource control (RRC) connection with the base station identified by the base station identifier;
receiving, from the base station subsequent to the establishing, data for the data session originating from the remote device; and
transmitting the data to the first wireless device via the local connection.